Elevator and like apparatus,申请号US19300460884-传众专利搜索

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发明名称	Elevator and like apparatus
摘要
申请公布号	US1970304(A)	申请公布日期	1934.08.14
申请号	US19300460884	申请日期	1930.06.13
申请人	GRAHAM HAROLD J	发明人	GRAHAM HAROLD J.
分类号	B66B1/34;B66B1/52	主分类号	B66B1/34
代理机构		代理人
主权项
地址

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